Datasheet
LTC4366-1/LTC4366-2
436612fd
For more information www.linear.com/LTC4366
4
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. All voltages relative to V
SS
, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Regulator
V
Z(VDD)
V
DD
Shunt Regulator Voltage I = 1mA
l
11.5 12 12.5 V
∆V
Z(VDD)
V
DD
Shunt Regulator Load Regulation I = 1mA to 5mA LTC4366C/I/H
LTC4366MP
l
l
30
30
90
130
mV
mV
V
DD
V
DD
Supply Voltage (Note 3)
l
4.5 V
Z(VDD)
V
I
VDD(STLO)
V
DD
Pin Current – Start-Up, Gate Low GATE = 0V, V
DD
= 7V, OUT = 0V
l
15 23 µA
I
VDD(STHI)
V
DD
Pin Current – Start-Up, Gate High GATE Open, V
DD
= 7V, OUT = 0V
l
9 13 µA
I
VDD(SD)
V
DD
Pin Current – Shutdown V
DD
= 7V, OUT = 0V
l
5 8 µA
OUT Regulator
V
Z(OUT)
OUT Shunt Regulator Voltage I = 1mA, BASE = 0V
l
5.0 5.7 6.0 V
∆V
Z(OUT)
OUT Shunt Regulator Load Regulation I = 1mA to 5mA
l
30 70 mV
OUT OUT Supply Voltage (Note 3)
l
3.0 V
Z(OUT)
V
V
UVLO1
OUT Undervoltage Lockout 1 Rising LTC4366C/I/H
LTC4366MP
l
l
2.42
2.42
2.55
2.55
2.75
2.80
V
V
∆V
UVH1
OUT Undervoltage Lockout 1 Hysteresis
l
0.2 0.28 0.4 V
V
UVLO2
OUT Undervoltage Lockout 2 Rising
l
4.5 4.75 4.9 V
∆V
UVH2
OUT Undervoltage Lockout 2 Hysteresis
l
0.3 0.4 0.5 V
I
OUT(AMP)
OUT Pin Current – Regulation Amplifier On
l
37 54 µA
I
OUT(CP)
OUT Pin Current – Charge Pump On
l
150 220 µA
I
OUT(SD)
OUT Pin Current – Shutdown
l
3 6 µA
BASE, V
SS
V
Z(BASE)
BASE Shunt Regulator Voltage (OUT-BASE) I = –10µA, OUT = 4.5V
l
5.5 6.2 6.6 V
∆V
Z(BASE)
BASE Shunt Regulator Load Regulation I = –10µA to –80µA, OUT = 4.5V
l
125 200 mV
I
BASE
BASE Pin Leakage Current OUT = 4.5V, BASE = –0.5V
l
–0.1 –0.8 –5.5 µA
I
VSS(AMP)
V
SS
Pin Current – Regulation Amplifier On
l
–30 –45 –72 µA
I
VSS(CP)
V
SS
Pin Current – Charge Pump On
l
–108 –160 –230 µA
I
VSS(SD)
V
SS
Pin Current – Shutdown
l
–7 –12 µA
GATE Drive
∆V
GATE
External N-Channel Gate Drive (GATE-OUT) OUT = 4.9V, I = 0, –1µA
l
11.2 12 12.5 V
I
GATE(ST)
GATE Pin Current – Start-Up GATE = OUT = 0V LTC4366C/I/H
LTC4366MP
l
l
–4.5
–3.2
–7.5
–7.5
–11
–11
µA
µA
I
GATE(CP)
GATE Pin Current – Charge Pump On GATE = 5V, OUT = 4.9V
l
–14 –20 –28 µA
I
GATE(FD)
GATE Pin Current – Fast Discharge GATE = 10V, OUT = 4.9V
l
122 200 300 mA
I
GATE(FLT)
GATE Pin Current – Fault GATE = 10V, OUT = 4.9V
l
0.3 0.7 1.2 mA